A necessary optimality condition in two-dimensional screening

被引：1

作者：

Araujo, Aloisio ^{[1
,2
]}

Vieira, Sergei ^{[3
]}

Calagua, Braulio ^{[4
,5
]}

机构：

[1] IMPA, Estr Dona Castorina 110, Rio De Janeiro, Brazil

[2] Brazilian Sch Econ & Finance, FGV EPGE, Praia Botafogo 190, Rio De Janeiro, Brazil

[3] Ibmec, Av Presidente Wilson 118, Rio De Janeiro, Brazil

[4] PUCP, Dept Sci, Lima, Peru

[5] UDEP, Dept Econ, Lima, Peru

来源：

ECONOMIC THEORY | 2022年 / 73卷 / 2-3期

关键词：

Two-dimensional screening; Bunching; Non single-crossing; Quasilinear equation; Characteristic curves; INCENTIVE COMPATIBILITY; EXISTENCE; MECHANISMS;

D O I：

10.1007/s00199-021-01352-x

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

This paper studies adverse selection problems with a one-dimensional principal instrument and a two-dimensional agent type. We provide an optimality condition that characterizes the bunching of continuum types. The approach is based on a reparameterization of the type space in terms of the endogenous optimal allocation level curves. The condition obtained is related with the optimality of two pooling types in the one-dimensional screening without the single-crossing. We illustrate the method by analyzing one example from the literature as well as a new example far from the linear-quadratic case

引用

页码：781 / 806

页数：26

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